Eric Steen I live in Nebraska and it receives really cold here, these maintain my palms warm and these actually preserve me happy. AA batteries allow it to be a breeze. We took temperature readings at 0 minutes, 15 minutes, and a couple of several hours even though also https://howmuchareheatedvests27812.answerblogs.com/32268312/the-greatest-guide-to-best-rated-heated-jacket